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Egg McChameleon
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Another gem plucked from the A.S.&S. mirabilia. The shape and size of a hen egg, this opaque stone (or matte-finished glass - we're not sure which) is interesting in itself. Touched with a red penlight in a dark room, the entire egg becomes a brilliant ruby color. Blue light/blue egg, etc. Fun and fascinating, and with a little sleight of hand, a sure way to convince the plebeians that you have some mysterious metaphysical power.
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91901 MAGIC STONE EGG |
Hard Dentistry
Prick tiny bits of gunk from nasty places with these U.S. made hardened stainless steel dental tools. But please don't use them for dental work. They are slight seconds, and some may have been re-worked which only matters to teeth. Trim excess glue from models, place a barrel on the deck of the ship-in-a-bottle, clean a rasp. If you need the strength and durability in a tiny pick, you need these tools. We have an assortment of the sort you've seen laid out on your dentist's tray. We'll pick (3) different ones for you.
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91496 HARDENED DENTAL TOOLS |
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It's A Snap!
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
with our best selling electronics kit. Build 100 or more electronic projects from a Reflection Detector to a Simple Salt Water Alarm with Snap Circuits Jr. The Elenco kit, a Dr. Toy Winner, has a grid base and a selection of conductors, resistors, switches, integrated circuits and more, for a total of (30) color-coded snap-in parts. For ages 8 to 108, the easy-to-use components and well-designed instruction manual make this a perfect way to spend some quality time with a bright young child! AWARDS: The National Parenting Center-Seal of Approval, Dr. Toy 100 Best Children's Products, Dr Toy Best Educational Products.
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92133 SNAP CIRCUIT JR |
Soldering Iron
Penciltype soldering iron imported from Taiwan. Overlook the charming instructions, it works just the way everyone does. 30 watt 110 volt, nice, serviceable unit.
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88242 SOLDERING IRON |
Super Loupe
A vastly enhanced jeweler's loupe. The 1" dia 10X lens in a 2-1/4" deep plastic housing is pre-focused for the plane upon which it rests, but is adjustable for protuberances. Illuminated, courtesy of (2) "C" batteries (you supply) in the 8" long white-plastic handle. Super.
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92169 FLASH MAGNIFIER |
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LCDs
These liquid crystal displays are raring to go. As soon as we can get Mary Ann to stop playing with them we'll pick out (5) assorted displays for you. (She keeps zapping them with static electricity to see what pops up. Mary Ann is easily amused.) Sizes range from 1-3/16" x 2" to a few as large as 5" x 10". They're unused. Some have pin leads, some have traces right on the wafer. Either way, they're a terrific bargain.
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34244 LIQ CRYS DISPLAY |
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Peltier Heat Pump
High tech comes to Am Sci & Surp!! It is here in the form of a Peltier junction, a thermo-electric device that translates electric power into heat, and perversely, into cool. Apply current @ 3-12 VDC to the gizmo and it extracts thermal energy from one face, thereby cooling it. The heat is dumped onto the other face, thereby heating it. Please note: you must use a heat sink on the hot side or the junction will fry itself, since it can quickly create a 65° C temperature differential in a no load situation. Stack two, or build a cascade to increase the thermal differential created. Or run it backwards. Apply heat or cold to the relevant face and produce a current. Amazing for science projects and experiments. Practical for coffee warmers, beer coolers and mini-refrigerator or warming oven applications. Comes with instructions. Large is 1-9/16" sq. x 3/16" thick.
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89143 LARGER PELTIER JUNCTION |
Worth Springing For
No large ones, but (101) amazingly assorted small extension, compression and torsion springs -- most, but not all, 1" to 2" long. Assorted lengths, assorted widths, assorted finishes, asorta handy bag of replacement parts to have around the house.
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92272 101 PIECE SPRING ASSORTMENT |
Seltzer Power!
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Incendiary rocket fuel? We don't need no stinkin' incendiary rocket fuel. We got the Mighty Seltzer Rocket! The seltzer rocket, made of simple plastic parts. (No, don't lean over it!. That's not a foam nose cone, you know!) The 4-1/4" x 1-1/4" dia seltzer rocket that holds water and (1) dissolving seltzer tablet. The rocket that has shot almost 30 feet in the air for us. It comes with (4) antacid tablets, just like those you can buy at the drug store -- and it's basic science at its best!
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92303 SELTZER ROCKET |
How Does It Work?
Why does it do that? Develop an elemental understanding of magnetism, electromagnetism, electrochemistry, radio, thermodynamics, light and optics. Simon Quellen Field's 228-page paperback, Gonzo Gizmos, Projects & Devices to Channel your Inner Geek explains processes, equipment and scientific terms -- and then, for starters, tells you things like how to make a rotary steam engine in 15 minutes from a soda can, a candle and a few scraps of rubber tubing. It's the favorite of our resident geeks -- but not for kids unless they're working with an adult. That would be a mature adult. An insured, mature adult.
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92339 GONZO GIZMOS |
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Plumb Cheap
Our each is a set of (4) removable sink strainers with stainless steel mesh wells and flat rims. The set includes (1) 4-1/2" dia for 2-1/4" drains, (1) 2-3/4" dia for 1-1/8" drains, and (2) 2" dia for 3/4" drains.
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92458 SINK STRAINERS |
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